Gregory Border 30 vs Knack Series 2 Large Expandable Pack
The Gregory Border 30 is 30L and 1.5kg3.3lb; the Knack Series 2 Large Expandable Pack is 30L and 1.5kg3.3lb. They weigh the same. The Gregory Border 30 costs $75 less. The Gregory Border 30 fits the carry-on limit of 31 of 36 major airlines and the Knack Series 2 Large Expandable Pack fits 28; under the seat, 0 and 0 of 26.
| Spec | Gregory Border 30 | Knack Series 2 Large Expandable Pack |
|---|---|---|
| Price | $220Best | $295 |
| Volume | 30L | 30L |
| Expands to | n/a | 46L |
| Weight | 1.5kg3.3lb | 1.5kg3.3lb |
| Carry-on compliance | 86%Best | 78% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 53×33×22cm21×13×8.5in | 55×36×11cm21.5×14×4.5in |
| Laptop | 15" | 17"Best |
| Bottle pockets | 1 | 1 |
| Compression straps | 0 | 0 |
| Opening | Clamshell | n/a |
| Warranty | 50 years | n/a |
| Organizer | Yes | Yes |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | Yes |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | No | Removable |
| Sternum strap | Yes | Removable |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | Hideable |
| Camera compartment | No | No |
| Material | 600D recycled polyester ripstop with PFAS-free DWR | 420D high-density nylon with PU coating, 840D ballistic nylon base |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Gregory Border 30 | Knack Series 2 Large Expandable Pack |
|---|---|---|---|
| Air Arabia | Carry-on | Too big | Fits |
| Air France | Carry-on | Fits | Too big |
| Air India | Carry-on | Too big | Fits |
| Avianca | Carry-on | Fits | Too big |
| Gol Linhas Aereas | Carry-on | Fits | Too big |
| IndiGo | Carry-on | Fits | Too big |
| KLM | Carry-on | Fits | Too big |
| LATAM Airlines | Carry-on | Fits | Too big |
| Ryanair | Carry-on | Too big | Fits |
| United Airlines | Carry-on | Fits | Too big |
| Vueling | Carry-on | Too big | Fits |
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Specs come from each brand's own product page. Fit uses listed dimensions in any orientation. How we score carry-on fit.